A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Nuts of iron or steel
NSN 5990-00-827-0684
NSN 5895-00-109-6181
NSN 5965-01-146-1311
NSN 5999-01-646-2957
NSN 6620-01-240-3361
NSN 5950-01-360-7689
NSN 5996-01-155-8924
NSN 5935-01-086-0072
NSN 6645-01-372-2600
NSN 5835-01-055-6859
NSN 4140-00-900-6102
NSN 5945-01-112-0190